Point Forecast: 3 Miles NW Big Sky MT
 45.29N 111.38W (Elev. 7431 ft)
Last Update: 10:25 am MDT Jul 13, 2025
Tabular Forecast
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Weather ElementsFire WeatherAviation Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
Vent Rate (x1000 mph-ft)
Grassland Fire Danger Index
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date07/1307/14
Hour (MDT)141516171819202122230001020304050607080910111213
Temperature (°F)757778777776757066646160585756565455586268727476
Dewpoint (°F)302928303335384142434443434444444344464847444239
Heat Index (°F)7577787777767576
Surface Wind (mph)788775332222222222225788
Wind DirWNWWNWWNWWNWWNWNWNWNNNENNENWNNNNWNWWSWWSWWSWWWWW
Gust18181818
Sky Cover (%)548925252525313840242386881241343030
Precipitation Potential (%)00001414141414142000000000001717
Relative Humidity (%)191716182023263541465354576163646767656046373126
Rain--------------------------------------------SChcSChc
Thunder--------------------------------------------SChcSChc

Date07/15
Hour (MDT)141516171819202122230001020304050607080910111213
Temperature (°F)777878777673706764625956535149484848495052545556
Dewpoint (°F)373635363840434547484949494848484748494949494949
Heat Index (°F)7778787776
Surface Wind (mph)810101010101077766655555555577
Wind DirWWWWWNWWNWWNWNWNWNWNNNNNNNNNNNENNENNENNWNNW
Gust2222222323231818181818
Sky Cover (%)303030305757576060605050503838386363635252527878
Precipitation Potential (%)171717173636363636362020202020202828282828286767
Relative Humidity (%)2322212225303845536168768491959899100999791847977
RainSChcSChcSChcSChcChcChcChcChcChcChcSChcSChcSChcSChcSChcSChcChcChcChcChcChcChcLklyLkly
ThunderSChcSChcSChcSChcChcChcChcSChcSChcSChc------------------------ChcChc

Additional Forecasts and Information
International System of UnitsForecast Discussion
7-Day ForecastHourly Weather Graph